Disodium m-benzenedisulfonate831-59-431 % similar Disodium 4-formyl-1,3-benzenedisulfonate33513-44-931 % similar Chromotropic acid disodium salt dihydrate5808-22-031 % similar Sodium 2-naphthalenesulfonate532-02-530 % similar Sodium 3,5-dichloro-2-hydroxybenzenesulfonate54970-72-830 % similar 2-Amino-1-naphthol-4-sulfonic acid567-13-530 % similar